Helen Wieffering

Stay informed with Helen Wieffering’s coverage and analysis for Coins2Day.

  • FILE – In this photo provided by Gigablue, circular structures called booms containing particles engineered by the company Gigablue, float near a research vessel in the Pacific Ocean off the coast of Dunedin, New Zealand, Saturday, Oct. 19, 2024, as part of a project to grow tiny organisms known as phytoplankton that absorb carbon dioxide from the ocean. (Gigablue via AP, File)Innovation

    Ocean technology startup that sold 200,000 carbon credits faces scientists’ doubts: ‘Trust us, it sinks’

    By Helen Wieffering and The Associated Press
  • This combination of Monday, June 17, 2024, photos, shows top row from left, a plastic turkey, a container of tennis balls, a child's helmet; and bottom row from left, a toy football, a plastic squirt gun and a Crocs shoe, found by Russ Lewis after they washed up on Long Beach Peninsula in Pacific County, Wash.Environment

    This is what happens when shipping containers fall overboard and burst open

    By Christina Larson, Helen Wieffering, and others